The Rosenberg SupraBox COMFORT energy recovery units are space-saving and distinguished primarily by their high energy efficiency. They provide an energy-saving ventilation system for real estate such as restaurants, retail shops, hotels, office buildings and many more. As a ceiling option, the SupraBox COMFORT units are available in two sizes with different nominal air flow rates. These range from 1,100-1,900 m³/h.

| Model | V (50 Hz) | A | kW | rpm | m³/h | Pa | mm | mm | mm | kg |
|---|---|---|---|---|---|---|---|---|---|---|
| SUPRABOX 1100 D | 188 | |||||||||
| SUPRABOX 1900 D | 270 |